Claude Code 更新：Opus 4.6 1M 上下文现已成为企业套餐默认模型

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Claude Code Update: Opus 4.6 with 1M Context Now Default for Enterprise Plans =============================================================================

Claude Code Update: Opus 4.6 with 1M Context Now Default for Enterprise Plans =============================================================================  ### Boris Cherny

@bcherny

🎁 Happy Friday - Opus 4.6 1M is now the default Opus model for Claude Code users on Max, Team, and Enterprise plans.

Pro and Sonnet users can opt in with /extra-usage.

!Image 3: Claude

#### Claude

@claudeai · 5h ago

1 million context window: Now generally available for Claude Opus 4.6 and Claude Sonnet 4.6.

!Image 4: Tweet image

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Mar 13, 2026, 5:51 PM View on X

190 Replies

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164.5K Views  Boris Cherny @bcherny

One Sentence Summary

Anthropic's Claude Code now defaults to the Opus 4.6 model with a 1-million-token context window for Max, Team, and Enterprise users.

Summary

Boris Cherny from Anthropic announces a significant update to Claude Code. The Opus 4.6 model, which now supports a 1-million-token context window, has become the default for users on high-tier plans (Max, Team, and Enterprise). This update follows the general availability of the 1M context window for both Opus and Sonnet 4.6. Users on Pro or Sonnet plans can also opt-in to this expanded capacity using the '/extra-usage' command.

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Claude Opus 4.6

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Claude Code Update: Opus 4.6 with 1M Context Now Default ... ===============